will be energy independent by 2030. and become the world's largest exporter of oil, surpassing counties like saudi arabia, venezuela, nigeria and even iran. solar, wind and a backyard oil boom has changed the global landscape, and the landscape on our own backyards. we saw it first-hand in kansas. new technologies unearthing previously untapped oil reserves there and across the u.s. the effects already being felt well beyond the gas pump. >> this unconventional revolution in oil and natural gas is already having a big impact on the united states. it has created something like 1.7 million jobs in the last few years. >> reporter: and consider this. the economists at moody's tell us, if gas prices drop another 50 cents this year, it will create another 350,000 jobs by this time next year. and in the next few months, pending no major disruptions, we could seal our grocery bills and the cost of medicines, many of them made out of petroleum, come down, too. >> sharyn alfonsi, thank you so much. >>> and now we turn to see, for